Here is very unique double of two trilobite tails of Dalmanitina socialis from the Czech Republic. | |||
Location: | Ded Hill, Beroun, Barrandian area, Czech Republic | ||
Size trilobite: | about 20 & 22 mm long | ||
Age: | Middle Ordovician, Llandeilo, Letná Formation (About 464 mill. Years old) |